/*
 * @Author: w
 * @Date: 2022-03-01 16:17:05
 * @Description: 剑指 Offer 26. 树的子结构
 */

// DFS 深度优先+递归

/**
 * Definition for a binary tree node.
 * function TreeNode(val) {
 *     this.val = val;
 *     this.left = this.right = null;
 * }
 */
/**
 * @param {TreeNode} A
 * @param {TreeNode} B
 * @return {boolean}
 */
var isSubStructure = function (A, B) {};
